Finding the Fourth Proportional to 75,759.36, 113,671.84 and 40,658.01
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Solution
The fourth proportional to 75,759.36, 113,671.84 and 40,658.01 is: 61,004.62
Step by Step Solution
- Step 1: Write the proportion equation
75,759.36 : 113,671.84 = 40,658.01 : x - Step 2: Convert to fraction form
75,759.36/113,671.84 = 40,658.01/x - Step 3: Cross multiply
75,759.36x = 113,671.84 × 40,658.01 - Step 4: Simplify right side
75,759.36x = 4,621,670,807.44 - Step 5: Solve for x
x = 4,621,670,807.44/75,759.36 - Step 6: Final answer
x = 61,004.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.